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| author | Till Straumann <strauman@slac.stanford.edu> | 2011-07-28 19:27:58 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2011-07-28 19:27:58 +0000 |
| commit | 6963b2e71378bbe1163835f160277ed483577045 (patch) | |
| tree | 1ef661410933e983b8881ae68a5b112fb846c9e1 /c/src/lib/libbsp/powerpc/mvme5500/start/start.S | |
| parent | 2011-27-28 Till Straumann <strauman@slac.stanford.edu> (diff) | |
| download | rtems-6963b2e71378bbe1163835f160277ed483577045.tar.bz2 | |
2011-27-28 Till Straumann <strauman@slac.stanford.edu>
* start/start.S: Tag TOS with a NULL pointer
(help terminate when walking the stack).
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mvme5500/start/start.S')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mvme5500/start/start.S | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme5500/start/start.S b/c/src/lib/libbsp/powerpc/mvme5500/start/start.S index 2d79e0699d..21ec7f03ac 100644 --- a/c/src/lib/libbsp/powerpc/mvme5500/start/start.S +++ b/c/src/lib/libbsp/powerpc/mvme5500/start/start.S @@ -10,11 +10,7 @@ * found in the file LICENSE in this distribution or at * http://www.rtems.com/license/LICENSE. * -<<<<<<< start.S * $Id$ -======= - * $Id$ ->>>>>>> 1.25 * */ @@ -152,6 +148,12 @@ enter_C_code: li r0, (CPU_STACK_ALIGNMENT-1) andc r1, r9, r0 /* + * NULL ptr to back chain + */ + li r0, 0 + stw r0, 0(r1) + + /* * We are now in a environment that is totally independent from * bootloader setup. */ |